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MINI ANECHOIC CHAMBER  


»   By aligning automatic measuring system, you can save a time margin on measuring.
»   You can measure as much as you like by using the mini anechoic chamber at your location.
     That  gives you a time margin in measuring to clear standards and save a developing cost
     after all.
»   This mini anechoic chamber provides you a lot of values as much as a low cost, a short-
      termed construction, no more large space required and a convenience in measurements as
      just you are.




SEMI ANECHOIC CHAMBER  


A room which creates free field conditions but above a reflective plane.Above a certain frequency all sound waves that hit the walls or ceiling of the chamber will be absorbed.

This type of chamber is normally used in vehicle testing with a rolling round so that the vehicle may be driven. The semi-anechoic chamber then forms a controlled environment with the surrounding acoustic conditions behaving as a sterile version of the real world. In this way accurate measurements of the sound inside and outside the vehicle can be made under operating conditions.





HEMI ANECHOIC CHAMBER  


HEMI-ANECHOIC CHAMBERS have acoustical treatment on the walls and ceiling only and feature hard floors with no acoustical treatment. The solid floor of the hemi-anechoic chamber is common for testing large and heavy equipment such as automobiles, construction equipment, ATV's or white goods and appliances such as refrigerators, washers and dryers, where the normal mode of operation is over a reflective plane such as a floor or hard road surface.

Both Hemi-anechoic and Full anechoic chambers can be used in combination with reverberation rooms for transmission loss studies for car body panels and even the noise attenuating characteristics of aircraft fuselage constr

Hemi-Anechoic chambers are designed to incorporate sound attenuating features such as isolated floors, light and power connections, ventilation, temperature and humidity control, instrumentation sleeves, control supports, working floors as well as single or double sound doors. All of our chambers provide a fully integrated acoustical testing & evaluation facility.


 

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The Polycarbonate Noise Barriers' work was completed by Envirotech in a good manner and also according to our specifications.
Shree Cement Limited  ....

Acoustic Enclosure supplied by Envirotech, has fulfilled CPCB Norms without affecting DG set performance.
PepsiCo India Holding Pvt. Ltd  ....

The Noise Test Booth designed by Envirotech (ESPL) has acieved the desired noise level i.e 35 dB(A) in side the chamber.
Maruti Suzuki Limited  ....

The design of Anechoic Chamber has fulfill our requirement & no echo generation was found inside the chamber .
Dongyong  ....

 

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